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"Because of the high number of accidental methane gas ignitions in metal and nonmetal mines, the Bureau of Mines searched for a simple guideline that would allow mine personnel to evaluate the methane hazard in a given mine. Air samples were collected by the Bureau in 53 metal and nonmetal mines and analyzed for trace evidence of methane gas. Samples were collected in the returns and at the working faces. Those mines classified as gassy by the Mine Safety and Health Administration had a significantly higher average methane concentration than those classified as nongassy. Of the 9 gassy mines sampled, 7 had methane concentrations above 100 ppm, whereas only 1 of the 44 nongassy mines had a concentration above 100 ppm. The 100-ppm concentration may be used as a simple and convenient guideline for forecasting the methane hazard in a mine, whether or not the mine is classified as gassy. There was no consistent correlation between commodity mined and methane concentration, nor was there a correlation between mine depth and methane concentration. Neither of these factors can be considered a guideline for predicting methane hazards." - NIOSHTIC-2

"This handbook describes effective methods for the control of methane gas in mines and tunnels. It assumes the reader is familiar with mining. The first chapter covers facts about methane important to mine safety, such as the explosibility of gas mix...

National Institute for Occupational Safety and Health. Pittsburgh Research Laboratory (National Institute for Occupational Safety and Health). Spokane Research Laboratory (National Institute for Occupational Safety and Health).

Published:

February 2000

Series:

NIOSH technical report
DHHS publication ; no. (NIOSH) 2000-109

Description:

"To continue serving the safety and health needs of the Nation's miners, NIOSH is coordinating extensively with stakeholders across the country to obtain valuable insight into their priorities. This input, together with results from comprehensive ana...

National Institute for Occupational Safety and Health. Spokane Research Laboratory (National Institute for Occupational Safety and Health). Pittsburgh Research Laboratory (National Institute for Occupational Safety and Health).

Published:

December 2000

Series:

DHHS publication ; no. (NIOSH) 2001-114

Description:

"To continue serving the safety and health needs of the Nation's miners, NIOSH is coordinating extensively with stakeholders across the country to obtain valuable insight into their priorities. This input, together with results from comprehensive ana...

National Institute for Occupational Safety and Health. Pittsburgh Research Laboratory (National Institute for Occupational Safety and Health). Spokane Research Laboratory (National Institute for Occupational Safety and Health).

Published:

December 2001

Series:

DHHS publication ; no. (NIOSH) 2001-110

Description:

"The mining community serves the needs of our Nation in virtually every aspect of our daily lives by providing the materials we use for construction, electronics, manufacturing, energy, agriculture, medicine, and electricity. This industry has demons...

The Industrial Internet of Things (IIoT), a concept that combines sensor networks and control systems, has been employed in several industries to improve productivity and safety. U.S. National Institute for Occupational Safety and Health (NIOSH) rese...